If mass =180kg and volume =90m3, what is the density

To find the density you must divide the mass by the density.
180kg ÷ 90m³ = 2kg/m³
The density is 2kg/m³

They can measure  the amount of energy gained or lost

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.